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The Kolb Mark 111 introduced in
1990 is side by side seating two place tail dragger in a pusher
configuration. Cabin width is 42 inches and entrance is through one of the two gull wing style
doors.
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Empty
Weight: |
430 lbs. |
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Gross Weight: |
1000 lbs. |
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Wing Span: |
30 ft. |
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Wing Area: |
160 sq. ft. |
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Engine: |
582 Rotax |
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Cruise Speed: |
75 m.p.h. |
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Stall Speed: |
35 m.p.h. |
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VNE: |
95 m.p.h. |
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Construction: |
Steel,
aluminum, Conventional Fabric Covering |
The structure mates a 4130 welded steel front
fuselage to an aluminum tail boom. Wing construction uses a large main
wing spar, with aluminum ribs. covering material is standard aircraft
covering materials. Building times reported from the factory are 400
hours, while owners report that this time is a little optimistic.
The
company is one of oldest in the ultralight field, but it has recently
changed ownership.
For more information
contact,
The New Kolb Aircraft Co.
8375 Russel Dyche Highway
London KY 40741
A T.U.F. VIEW
The Mark 111 is one
of the few two place ultralights that can be flown on a 503 Rotax engine
and still have a have decent climb rate, although my preference would
still be to go with the 582 Rotax.
Climb rate with the 503 is using flaps
is 500 feet per minute with a cruise at 6,000 RPM of 60 m.p.h.. When using
the 582 climb increases to 900 feet per minute and cruise 65/70. Stall
speed with flaps 30 m.p.h.. Controls are center mounted stick and rudder.
Visibility is great, cabin noise, although ear protection is necessary.
Control pressure is light especially when you consider the size of the
flaps and ailerons.
The negatives are that the plane does take quite a
while to build, requiring a lot of "finish" by the builder, it
is not the fastest craft on the market, and it tends to fly one wing low
with only one person on board.
The Ultralight Flyer rates
The
Factory................................8.5
The Mark 111.............................9.0
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